CVE-2025-3500

Integer Overflow or Wraparound vulnerability in Avast Antivirus 25.1.981.6 on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3...

CVE-2025-3500

Integer Overflow or Wraparound vulnerability in Avast Antivirus 25.1.981.6 on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3...

CVE-2025-10101

Heap buffer out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed Mach-O file may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on...

CVE-2025-3500 Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation

Integer Overflow or Wraparound vulnerability in Avast Antivirus 25.1.981.6 on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3...

CVE-2025-3500 Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation

Integer Overflow or Wraparound vulnerability in Avast Antivirus 25.1.981.6 on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3...

CVE-2025-3500

CVE-2025-3500 describes an Integer Overflow/Wraparound in Avast Antivirus for Windows (affected: 25.1.981.6 up to but before 25.3). The root cause is an overflow in AvastResourceParser::AllocateBuffer(int size) where size * sizeof(struct) can under-allocate a buffer, enabling privilege escalation...

EUVD-2025-200018

Integer Overflow or Wraparound vulnerability in Avast Antivirus 25.1.981.6 on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3...

CVE-2025-8351 Avira antivirus engine heap buffer OOB read when scanning a malformed file

Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avira Antivirus engine when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before...

CVE-2025-8351 Avira antivirus engine heap buffer OOB read when scanning a malformed file

Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avira Antivirus engine when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before...

CVE-2025-8351

CVE-2025-8351 describes a heap-based buffer overflow and out-of-bounds read in antivirus engines (Avira/Avast family) when scanning malformed files. Affected versions are engine builds before 8.3.70.98 and the impact can be local code execution or denial-of-service of the antivirus engine process...

CVE-2025-10101 Avast antivirus heap buffer OOB read when scanning a malformed Mach-O file

Heap buffer out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed Mach-O file may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on...

CVE-2025-10101 Avast antivirus heap buffer OOB read when scanning a malformed Mach-O file

Heap buffer out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed Mach-O file may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on...

CVE-2025-10101

CVE-2025-10101 describes a heap-based buffer overflow and out-of-bounds write in Avast Antivirus for macOS triggered by a crafted Mach-O file, potentially enabling local code execution or denial of service. Affected versions are Avast Antivirus 15.7 up to 3.9.2025. Root cause: memory management f...

Avast Antivirus 安全漏洞

Avast Antivirus is a suite of antivirus software from the Czech company Avast. A security vulnerability exists in Avast Antivirus version 15.7 up to and including version 3.9.2025, which originates from a heap buffer overflow and out-of-bounds writes, and may result in local code execution or...

PT-2025-48493

Name of the Vulnerable Software and Affected Versions Avast Antivirus versions 8.3.70.94 through 8.3.70.97 Description A heap-based buffer overflow and out-of-bounds read issue exists in Avast Antivirus on MacOS when scanning a malformed file. This can lead to local execution of code or a...

Avast Antivirus 安全漏洞

Avast Antivirus is a suite of antivirus software from the Czech company Avast. A security vulnerability exists in Avast Antivirus version 8.3.70.94 through versions prior to 8.3.70.98, which originates from a heap buffer overflow and out-of-bounds read, and may result in local code execution or...

Avast Antivirus 安全漏洞

Avast Antivirus is a suite of antivirus software from the Czech company Avast. A security vulnerability exists in Avast Antivirus version 16.0.0 MAC and 3.0.3 Linux, which originates from a null pointer dereference caused by scanning malformed Windows PE files, which may result in a process crash...

PT-2025-48473

Name of the Vulnerable Software and Affected Versions Avast Antivirus versions 15.7 through 3.9.2025 Description A flaw exists in Avast Antivirus on MacOS that involves a heap-based buffer overflow and out-of-bounds write condition. Processing a specially crafted Mach-O file could lead to local...

PT-2025-48495

Name of the Vulnerable Software and Affected Versions Avast Antivirus versions 16.0.0 on MacOS Avast Antivirus versions 3.0.3 on Linux Description A NULL pointer dereference issue exists in Avast Antivirus when scanning a malformed Windows PE file. This can cause the antivirus process to crash on...

CVE-2025-13032

Double fetch in sandbox kernel driver in Avast/AVG Antivirus 25.3 on windows allows local attacker to escalate privelages via pool overflow...